7.8
CWE
269 416
Advisory Published
Updated

CVE-2023-21755: Windows Kernel Elevation of Privilege Vulnerability

First published: Tue Jan 10 2023(Updated: )

Windows Kernel Elevation of Privilege Vulnerability

Credit: secure@microsoft.com secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Windows 11=22H2
Windows 11=22H2
Windows 11=21H2
Windows 11=21H2
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10
Windows 11
Windows 11
Windows 11
Windows 11
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows
Microsoft Windows
Microsoft Windows RT
Microsoft Windows Server=sp2
Microsoft Windows Server=sp2
Microsoft Windows Server=r2-sp1
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Windows 10=20H2
Windows 10=20H2
Windows 10=20H2
Windows 10=1809
Windows 10=1809
Windows 10=1809
Windows 10=22H2
Windows 10=22H2
Windows 10=22H2
Windows 10=21H2
Windows 10=21H2
Windows 10=21H2

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Frequently Asked Questions

  • What is CVE-2023-21755?

    CVE-2023-21755 is a Windows Kernel Elevation of Privilege Vulnerability.

  • Which software are affected by CVE-2023-21755?

    Microsoft Windows Server 2016, Microsoft Windows 10 20h2, Microsoft Windows Server 2019, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, Microsoft Windows 11.

  • What is the severity level of CVE-2023-21755?

    CVE-2023-21755 has a severity level of 7.8 (high).

  • How can I fix CVE-2023-21755?

    Please visit the following link for remediation steps: [link](https://support.microsoft.com/help/5022282)

  • Where can I find more information about CVE-2023-21755?

    You can find more information about CVE-2023-21755 at the following link: [link](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21755)

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